coal tarn. [化]煤焦油
tar pitch焦油沥青
1.The Gas Liquor Separation Unit has not effectively removed as much oils and tars from the process water as had been hoped.
煤气水分离装置如果不能按照预期,有效地把尽可能多轻油和焦油从工艺水中分离出来。
4.The tars produced in multi-stage pyrolysis under syngas were also analyzed.
最后,还对合成气气氛下多段热解的油品进行了分析。